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Plate Techtonics

Description

6th Science (Plate Techtonics) Mind Map on Plate Techtonics, created by Imad Mohammad on 09/22/2015.
Imad Mohammad
Mind Map by Imad Mohammad, updated more than 1 year ago
Imad Mohammad
Created by Imad Mohammad over 6 years ago
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Resource summary

Plate Techtonics
  1. Section 1: Earths interior
    1. Exploring inside Earth
      1. Evidence from rock samples

        Annotations:

        • Rocks from the inside of Earth blasts of to the surface provide clues
        1. Evidence from seismic waves

          Annotations:

          • From seismic waves we can see through the layers of earth
        2. Journey to the Center
          1. Temperature

            Annotations:

            • Increases as you go down into earth.
            1. Pressure

              Annotations:

              • The deeper you go, the more pressure there is
            2. The Mantle
              1. Lithosphere

                Annotations:

                • Lithosphere is the uppermost part of the mantle and crust.
                1. Lower Mantle

                  Annotations:

                  • Beneath Asthenosphere,  the lower mantle is solid.
                  1. Asthenosphere

                    Annotations:

                    • The softest part of the mantle, yet, if you kicked it you'd stub a toe  
                  2. The Crust

                    Annotations:

                    • The layer we are on, 5-40 kilometers thick
                  3. Section 2: Convection and the Mantle
                    1. Types of heat transfer
                      1. Radiation

                        Annotations:

                        • Radiation means to transfer energy through space
                        1. Conduction

                          Annotations:

                          • Heat transfer between materials means conduction
                          1. Convection

                            Annotations:

                            • heat transfer by the movement of currents with a fluid
                          2. Convection Currents

                            Annotations:

                            • the flow that transfers heat within a fluid
                          3. Section 3: Drifting continents
                            1. Continental drift
                              1. Evidence from land features

                                Annotations:

                                • The coal fields in Europe were the same coal fields in North America. 
                                1. Evidence from fossils

                                  Annotations:

                                  • any trace of an ancient organism that has been preserved in rock.
                                  1. Evidence from ancient climactic zones

                                    Annotations:

                                    • A plant was on an island of ice so it moved farther from the equator 300 million years ago
                                  2. Wegener's hypothesis rejected

                                    Annotations:

                                    • Wegener did not have enough evidence at first so his hypothesis was rejected by geologists 
                                  3. Section 4: Sea-Floor Spreading
                                    1. Mid-ocean ridges

                                      Annotations:

                                      • An undersea mountain chain that is part of a long system of mountains that winds beneath Earth's oceans
                                      1. What is sea-floor spreading?

                                        Annotations:

                                        • continually adds sea floor spreading to the ocean floor
                                        1. Evidence for sea-floor spreading
                                          1. Evidence from molten material

                                            Annotations:

                                            • Rocks form only when that molten material has erupted multiple times.
                                            1. Evidence from magnetic stripes

                                              Annotations:

                                              • The last time Earth's magnetic poles reversed themselves was 780,000 years ago
                                              1. Evidence from drilling samples

                                                Annotations:

                                                • Rocks from underground come to the surface through pipes
                                              2. Subduction at trenches
                                                1. The process of subduction

                                                  Annotations:

                                                  • The ocean floor sinks beneath a deep-ocean trench and back into the mantle.
                                                  1. Subduction and Earth's oceans

                                                    Annotations:

                                                    • The Earth is moving farther but also closer because the Earth is connected
                                                2. Section 5: The Theory of Plate Techtonics
                                                  1. How Plates Move

                                                    Annotations:

                                                    • Pieces of Earth's lithosphere are in slow, constant motion, driven by convection currents in the mantle is a theory.
                                                    1. Plate Bonderies
                                                      1. Spreading boundaries

                                                        Annotations:

                                                        • When two plates move apart
                                                        1. Colliding boundaries

                                                          Annotations:

                                                          • when two plates come together, or colliding bundary
                                                          1. Sliding boundaries

                                                            Annotations:

                                                            • A place where two plates slip past each other.
                                                            1. Plate motion over time

                                                              Annotations:

                                                              • All the continets spread apart over millions of years
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